US4806932A - Radar-optical transponding system - Google Patents
Radar-optical transponding system Download PDFInfo
- Publication number
- US4806932A US4806932A US06/838,468 US83846886A US4806932A US 4806932 A US4806932 A US 4806932A US 83846886 A US83846886 A US 83846886A US 4806932 A US4806932 A US 4806932A
- Authority
- US
- United States
- Prior art keywords
- energy
- receive
- frequency
- receiver
- signals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
- G01S13/767—Responders; Transponders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
- G01S13/913—Radar or analogous systems specially adapted for specific applications for traffic control for landing purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/023—Interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques
- G01S7/0235—Avoidance by time multiplex
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
- G01S7/406—Means for monitoring or calibrating by simulation of echoes using internally generated reference signals, e.g. via delay line, via RF or IF signal injection or via integrated reference reflector or transponder
- G01S7/4069—Means for monitoring or calibrating by simulation of echoes using internally generated reference signals, e.g. via delay line, via RF or IF signal injection or via integrated reference reflector or transponder involving a RF signal injection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/023—Interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
Claims (18)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/838,468 US4806932A (en) | 1986-03-11 | 1986-03-11 | Radar-optical transponding system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/838,468 US4806932A (en) | 1986-03-11 | 1986-03-11 | Radar-optical transponding system |
Publications (1)
Publication Number | Publication Date |
---|---|
US4806932A true US4806932A (en) | 1989-02-21 |
Family
ID=25277158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/838,468 Expired - Lifetime US4806932A (en) | 1986-03-11 | 1986-03-11 | Radar-optical transponding system |
Country Status (1)
Country | Link |
---|---|
US (1) | US4806932A (en) |
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5045859A (en) * | 1988-09-15 | 1991-09-03 | Aviation Systems Concepts, Inc. | Phase reference navigation system and method |
US5329522A (en) * | 1990-03-23 | 1994-07-12 | Small Power Communication Systems Research Laboratories Co., Ltd. | Space-division multiplex communication method of executing multiplex communication |
US5424737A (en) * | 1993-12-22 | 1995-06-13 | United Technologies Corporation | Communications retro-reflector |
WO1996021164A1 (en) * | 1994-12-30 | 1996-07-11 | Focused Energy Technologies, Inc. | Microwave energy implemented aircraft landing system |
WO1998010305A1 (en) * | 1996-09-03 | 1998-03-12 | Focused Energy Holding Inc. | Microwave energy implemented aircraft landing system |
US5841392A (en) * | 1995-10-02 | 1998-11-24 | Nikon Corporation | Pulse-echo ranging system with improved target |
US5930695A (en) * | 1994-12-05 | 1999-07-27 | Hitachi, Ltd. | Radio receiver with amplitude limiter prior to mixer and band limiting filter |
US6046701A (en) * | 1997-11-03 | 2000-04-04 | Spike Technologies, Inc. | Apparatus for high-performance sectored antenna system |
US6064330A (en) * | 1997-01-28 | 2000-05-16 | Laser Technology, Inc. | Fog piercing ranging apparatus and method |
US6169525B1 (en) | 1998-09-10 | 2001-01-02 | Spike Technologies, Inc. | High-performance sectored antenna system using low profile broadband feed devices |
US6236361B1 (en) * | 1999-04-29 | 2001-05-22 | Hughes Electronics Corporation | Precision beacon tracking system |
US20090051582A1 (en) * | 2007-02-07 | 2009-02-26 | Lockheed Martin Corporation | Miniaturized microwave-photonic receiver |
US20100135670A1 (en) * | 2008-11-21 | 2010-06-03 | Cubic Corporation | Phase-modulating communication device |
US20100221015A1 (en) * | 2006-02-28 | 2010-09-02 | Lockheed Martin Corporation | Method and system for signal processing by modulation of an optical signal with a multichannel radio frequency signal |
GB2478961A (en) * | 2010-03-25 | 2011-09-28 | Guidance Ip Ltd | Active radar target with height diversity |
US20110234447A1 (en) * | 2010-03-25 | 2011-09-29 | Patrick David E | Active target |
US20110234446A1 (en) * | 2010-03-25 | 2011-09-29 | Patrick David E | Apparatus for measuring the relative direction of a radio signal |
US20120326916A1 (en) * | 2011-06-24 | 2012-12-27 | Thales Rail Signalling Solutions Inc. | Location of a Transponder Center Point |
CN108205137A (en) * | 2016-12-20 | 2018-06-26 | 北京行易道科技有限公司 | Lens radar and the vehicles |
US10025890B2 (en) * | 2014-07-11 | 2018-07-17 | Advanced Testing Technologies, Inc. | Phase noise simulation model for pulse doppler radar target detection |
CN110615909A (en) * | 2019-09-18 | 2019-12-27 | 佛山市粤海信通讯有限公司 | Dielectric material and method for producing dielectric material |
US11619707B1 (en) * | 2021-10-01 | 2023-04-04 | Aptiv Technologies Limited | Method and system for calibrating a radar sensor |
US11867804B2 (en) * | 2016-10-20 | 2024-01-09 | OTT HydroMet Fellbach GmbH | Apparatus and method for measuring precipitation |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2580291A (en) * | 1947-02-21 | 1951-12-25 | Westinghouse Electric Corp | Circuit interrupter |
US2850728A (en) * | 1954-09-14 | 1958-09-02 | Marconi Wireless Telegraph Co | Radio navigation aiding devices |
US3154784A (en) * | 1960-12-30 | 1964-10-27 | Philip J Allen | Re-radiating antenna device |
US3158862A (en) * | 1961-08-24 | 1964-11-24 | Sierra Research Corp | Wide-angle electrically-modulated reflector |
US3243816A (en) * | 1962-06-08 | 1966-03-29 | Sierra Research Corp | Final approach landing system |
US3295132A (en) * | 1965-02-23 | 1966-12-27 | Texas Instruments Inc | Modulating radar reflector |
US3648285A (en) * | 1970-03-30 | 1972-03-07 | Itt | Aircraft electronic landing responser system using scanning pencil beam ground antenna |
US3703723A (en) * | 1970-01-09 | 1972-11-21 | Grumman Aerospace Corp | Portable passive reflector |
US3908189A (en) * | 1971-12-21 | 1975-09-23 | Walter E Buehler | Airborne radar instrument landing system |
US4065771A (en) * | 1976-09-14 | 1977-12-27 | The United States Of America As Represented By The Secretary Of The Navy | Random scanning receiver |
US4104634A (en) * | 1974-01-03 | 1978-08-01 | The Commonwealth Of Australia | Ground plane corner reflectors for navigation and remote indication |
US4143263A (en) * | 1974-11-08 | 1979-03-06 | Kurt Eichweber | Receiver-transmitter device for transmitting data by means of focused modulated, light beams |
US4283725A (en) * | 1979-10-09 | 1981-08-11 | Chisholm John P | In-flight aircraft weather radar calibration |
-
1986
- 1986-03-11 US US06/838,468 patent/US4806932A/en not_active Expired - Lifetime
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2580291A (en) * | 1947-02-21 | 1951-12-25 | Westinghouse Electric Corp | Circuit interrupter |
US2850728A (en) * | 1954-09-14 | 1958-09-02 | Marconi Wireless Telegraph Co | Radio navigation aiding devices |
US3154784A (en) * | 1960-12-30 | 1964-10-27 | Philip J Allen | Re-radiating antenna device |
US3158862A (en) * | 1961-08-24 | 1964-11-24 | Sierra Research Corp | Wide-angle electrically-modulated reflector |
US3243816A (en) * | 1962-06-08 | 1966-03-29 | Sierra Research Corp | Final approach landing system |
US3295132A (en) * | 1965-02-23 | 1966-12-27 | Texas Instruments Inc | Modulating radar reflector |
US3703723A (en) * | 1970-01-09 | 1972-11-21 | Grumman Aerospace Corp | Portable passive reflector |
US3648285A (en) * | 1970-03-30 | 1972-03-07 | Itt | Aircraft electronic landing responser system using scanning pencil beam ground antenna |
US3908189A (en) * | 1971-12-21 | 1975-09-23 | Walter E Buehler | Airborne radar instrument landing system |
US4104634A (en) * | 1974-01-03 | 1978-08-01 | The Commonwealth Of Australia | Ground plane corner reflectors for navigation and remote indication |
US4143263A (en) * | 1974-11-08 | 1979-03-06 | Kurt Eichweber | Receiver-transmitter device for transmitting data by means of focused modulated, light beams |
US4065771A (en) * | 1976-09-14 | 1977-12-27 | The United States Of America As Represented By The Secretary Of The Navy | Random scanning receiver |
US4283725A (en) * | 1979-10-09 | 1981-08-11 | Chisholm John P | In-flight aircraft weather radar calibration |
Cited By (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5045859A (en) * | 1988-09-15 | 1991-09-03 | Aviation Systems Concepts, Inc. | Phase reference navigation system and method |
US5329522A (en) * | 1990-03-23 | 1994-07-12 | Small Power Communication Systems Research Laboratories Co., Ltd. | Space-division multiplex communication method of executing multiplex communication |
US5424737A (en) * | 1993-12-22 | 1995-06-13 | United Technologies Corporation | Communications retro-reflector |
US5930695A (en) * | 1994-12-05 | 1999-07-27 | Hitachi, Ltd. | Radio receiver with amplitude limiter prior to mixer and band limiting filter |
WO1996021164A1 (en) * | 1994-12-30 | 1996-07-11 | Focused Energy Technologies, Inc. | Microwave energy implemented aircraft landing system |
US5838276A (en) * | 1994-12-30 | 1998-11-17 | Chapman; Aubrey I. | Microwave energy implemented aircraft landing system |
US5841392A (en) * | 1995-10-02 | 1998-11-24 | Nikon Corporation | Pulse-echo ranging system with improved target |
WO1998010305A1 (en) * | 1996-09-03 | 1998-03-12 | Focused Energy Holding Inc. | Microwave energy implemented aircraft landing system |
AU719218B2 (en) * | 1996-09-03 | 2000-05-04 | Focused Energy Holding Inc. | Microwave energy implemented aircraft landing system |
US6064330A (en) * | 1997-01-28 | 2000-05-16 | Laser Technology, Inc. | Fog piercing ranging apparatus and method |
US6046701A (en) * | 1997-11-03 | 2000-04-04 | Spike Technologies, Inc. | Apparatus for high-performance sectored antenna system |
US6169525B1 (en) | 1998-09-10 | 2001-01-02 | Spike Technologies, Inc. | High-performance sectored antenna system using low profile broadband feed devices |
US6236361B1 (en) * | 1999-04-29 | 2001-05-22 | Hughes Electronics Corporation | Precision beacon tracking system |
US20100221015A1 (en) * | 2006-02-28 | 2010-09-02 | Lockheed Martin Corporation | Method and system for signal processing by modulation of an optical signal with a multichannel radio frequency signal |
US7801447B1 (en) | 2006-02-28 | 2010-09-21 | Lockheed Martin Corporation | Method and system for signal processing by modulation of an optical signal with a multichannel radio frequency signal |
US20090051582A1 (en) * | 2007-02-07 | 2009-02-26 | Lockheed Martin Corporation | Miniaturized microwave-photonic receiver |
US7724179B2 (en) * | 2007-02-07 | 2010-05-25 | Lockheed Martin Corporation | Miniaturized microwave-photonic receiver |
US20100135670A1 (en) * | 2008-11-21 | 2010-06-03 | Cubic Corporation | Phase-modulating communication device |
US8204384B2 (en) * | 2008-11-21 | 2012-06-19 | Cubic Corporation | Phase-modulating communication device |
GB2478961B (en) * | 2010-03-25 | 2014-06-18 | Guidance Ip Ltd | Active target with height diversity |
GB2478961A (en) * | 2010-03-25 | 2011-09-28 | Guidance Ip Ltd | Active radar target with height diversity |
US20110234447A1 (en) * | 2010-03-25 | 2011-09-29 | Patrick David E | Active target |
US20110234446A1 (en) * | 2010-03-25 | 2011-09-29 | Patrick David E | Apparatus for measuring the relative direction of a radio signal |
US20110234445A1 (en) * | 2010-03-25 | 2011-09-29 | Patrick David E | Active target with height diversity |
US8786489B2 (en) | 2010-03-25 | 2014-07-22 | Guidance Ip Limited | Active target with height diversity |
US8576114B2 (en) * | 2011-06-24 | 2013-11-05 | Thales Canada Inc. | Location of a transponder center point |
US20120326916A1 (en) * | 2011-06-24 | 2012-12-27 | Thales Rail Signalling Solutions Inc. | Location of a Transponder Center Point |
US10025890B2 (en) * | 2014-07-11 | 2018-07-17 | Advanced Testing Technologies, Inc. | Phase noise simulation model for pulse doppler radar target detection |
US11867804B2 (en) * | 2016-10-20 | 2024-01-09 | OTT HydroMet Fellbach GmbH | Apparatus and method for measuring precipitation |
CN108205137A (en) * | 2016-12-20 | 2018-06-26 | 北京行易道科技有限公司 | Lens radar and the vehicles |
CN108205137B (en) * | 2016-12-20 | 2024-03-01 | 北京行易道科技有限公司 | Lens radar and vehicle |
CN110615909A (en) * | 2019-09-18 | 2019-12-27 | 佛山市粤海信通讯有限公司 | Dielectric material and method for producing dielectric material |
US11890799B2 (en) | 2019-09-18 | 2024-02-06 | Foshan Eahison Communication Co., Ltd. | Dielectric material and dielectric material production method |
US11619707B1 (en) * | 2021-10-01 | 2023-04-04 | Aptiv Technologies Limited | Method and system for calibrating a radar sensor |
US20230105733A1 (en) * | 2021-10-01 | 2023-04-06 | Aptiv Technologies Limited | Method and system for calibrating a radar sensor |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: ENTROPY RESEARCH CORPORATION, A CORP OF TEXAS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:BECHTEL, BARTOW;REEL/FRAME:004529/0819 Effective date: 19860211 |
|
AS | Assignment |
Owner name: RADAR GUIDANCE, INC., ROUTE 4, NO. 6 EASTSHORE ROA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:MARLOW INDUSTRIES, INC.;REEL/FRAME:004682/0191 Effective date: 19870303 |
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Owner name: RADAR GUIDANCE, INC., ROUTE 4, NO. 6 EASTSHORE ROA Free format text: ASSIGNS THE ENTIRE INTEREST SUBJECT TO CONDITIONS IN ASSIGNMENT RECORDED 2/11/86 - REEL 4529 FRAME 0819;ASSIGNOR:ENTROPY RESEARCH CORPORATION;REEL/FRAME:004693/0033 Effective date: 19870327 |
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Owner name: RADAR GUIDANCE, INC. Free format text: ASSIGNOR HEREBY CONFIRMS AND ASSIGNS UNCONDITIONALLY WITHOUT FURTHER CONDITION OR OBLIGATION THE ENTIRE INTEREST IN SAID INVENTION TO ASSIGNEE.;ASSIGNORS:ENTROPY RESEARCH CORPORATION;BECHTEL, BARTOW;REEL/FRAME:004899/0728 Effective date: 19880211 |
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Owner name: FOCUSED ENERGY TECHNOLOGIES, INC., TEXAS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:RADAR GUIDANCE, INC.;REEL/FRAME:006689/0073 Effective date: 19930902 |
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